The new Yellow Dog Linux 3.0 brings recent Linux user interface improvements to the PowerPC architecture. Smooth, anti-aliased fonts and the clean, refined style of Red Hat's Blue Curve theme make this a beautiful creation to look at. There are
screenshots here, though they aren't big enough to really do it justice.

OS X is just toooo expensive. I have 10.1 which is slooow and it costs more than I am happy with to upgrade to 10.2.4. Well, there is no upgrade price, only a full price. I have sucessfully installed Debian 3.0 on my iBook 500 - and the modem works.